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                <p><strong>导入依赖</strong></p>
<pre class=" language-java"><code class="language-java"><span class="token operator">&lt;</span>dependency<span class="token operator">></span>
            <span class="token operator">&lt;</span>groupId<span class="token operator">></span>org<span class="token punctuation">.</span>springframework<span class="token punctuation">.</span>boot<span class="token operator">&lt;</span><span class="token operator">/</span>groupId<span class="token operator">></span>
            <span class="token operator">&lt;</span>artifactId<span class="token operator">></span>spring<span class="token operator">-</span>boot<span class="token operator">-</span>devtools<span class="token operator">&lt;</span><span class="token operator">/</span>artifactId<span class="token operator">></span>
            <span class="token operator">&lt;</span>scope<span class="token operator">></span>runtime<span class="token operator">&lt;</span><span class="token operator">/</span>scope<span class="token operator">></span>
            <span class="token operator">&lt;</span>optional<span class="token operator">></span><span class="token boolean">true</span><span class="token operator">&lt;</span><span class="token operator">/</span>optional<span class="token operator">></span>
        <span class="token operator">&lt;</span><span class="token operator">/</span>dependency<span class="token operator">></span>
        <span class="token operator">&lt;</span>dependency<span class="token operator">></span>
            <span class="token operator">&lt;</span>groupId<span class="token operator">></span>org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>commons<span class="token operator">&lt;</span><span class="token operator">/</span>groupId<span class="token operator">></span>
            <span class="token operator">&lt;</span>artifactId<span class="token operator">></span>commons<span class="token operator">-</span>pool2<span class="token operator">&lt;</span><span class="token operator">/</span>artifactId<span class="token operator">></span>
        <span class="token operator">&lt;</span><span class="token operator">/</span>dependency<span class="token operator">></span>
        <span class="token operator">&lt;</span>dependency<span class="token operator">></span>
            <span class="token operator">&lt;</span>groupId<span class="token operator">></span>org<span class="token punctuation">.</span>mybatis<span class="token punctuation">.</span>spring<span class="token punctuation">.</span>boot<span class="token operator">&lt;</span><span class="token operator">/</span>groupId<span class="token operator">></span>
            <span class="token operator">&lt;</span>artifactId<span class="token operator">></span>mybatis<span class="token operator">-</span>spring<span class="token operator">-</span>boot<span class="token operator">-</span>starter<span class="token operator">&lt;</span><span class="token operator">/</span>artifactId<span class="token operator">></span>
            <span class="token operator">&lt;</span>version<span class="token operator">></span><span class="token number">2.1</span><span class="token punctuation">.</span><span class="token number">3</span><span class="token operator">&lt;</span><span class="token operator">/</span>version<span class="token operator">></span>
        <span class="token operator">&lt;</span><span class="token operator">/</span>dependency<span class="token operator">></span>
        <span class="token operator">&lt;</span>dependency<span class="token operator">></span>
            <span class="token operator">&lt;</span>groupId<span class="token operator">></span>com<span class="token punctuation">.</span>alibaba<span class="token operator">&lt;</span><span class="token operator">/</span>groupId<span class="token operator">></span>
            <span class="token operator">&lt;</span>artifactId<span class="token operator">></span>druid<span class="token operator">&lt;</span><span class="token operator">/</span>artifactId<span class="token operator">></span>
            <span class="token operator">&lt;</span>version<span class="token operator">></span><span class="token number">1.1</span><span class="token punctuation">.</span><span class="token number">18</span><span class="token operator">&lt;</span><span class="token operator">/</span>version<span class="token operator">></span>
        <span class="token operator">&lt;</span><span class="token operator">/</span>dependency<span class="token operator">></span>
        <span class="token operator">&lt;</span>dependency<span class="token operator">></span>
            <span class="token operator">&lt;</span>groupId<span class="token operator">></span>mysql<span class="token operator">&lt;</span><span class="token operator">/</span>groupId<span class="token operator">></span>
            <span class="token operator">&lt;</span>artifactId<span class="token operator">></span>mysql<span class="token operator">-</span>connector<span class="token operator">-</span>java<span class="token operator">&lt;</span><span class="token operator">/</span>artifactId<span class="token operator">></span>
        <span class="token operator">&lt;</span><span class="token operator">/</span>dependency<span class="token operator">></span>
</code></pre>
<p>在application中配置</p>
<pre class=" language-java"><code class="language-java">spring<span class="token punctuation">.</span>datasource<span class="token punctuation">.</span>username<span class="token operator">=</span>root
spring<span class="token punctuation">.</span>datasource<span class="token punctuation">.</span>password<span class="token operator">=</span><span class="token operator">*</span><span class="token operator">*</span><span class="token operator">*</span><span class="token operator">*</span>
spring<span class="token punctuation">.</span>datasource<span class="token punctuation">.</span>url<span class="token operator">=</span><span class="token operator">*</span><span class="token operator">*</span><span class="token operator">*</span><span class="token operator">*</span>
spring<span class="token punctuation">.</span>datasource<span class="token punctuation">.</span>driver<span class="token operator">-</span><span class="token keyword">class</span><span class="token operator">-</span>name<span class="token operator">=</span>com<span class="token punctuation">.</span>mysql<span class="token punctuation">.</span>cj<span class="token punctuation">.</span>jdbc<span class="token punctuation">.</span>Driver
mybatis<span class="token punctuation">.</span>type<span class="token operator">-</span>aliases<span class="token operator">-</span><span class="token keyword">package</span><span class="token operator">=</span><span class="token operator">*</span><span class="token operator">*</span><span class="token operator">*</span>
mybatis<span class="token punctuation">.</span>mapper<span class="token operator">-</span>locations<span class="token operator">=</span>classpath<span class="token operator">:</span>mapper<span class="token operator">/</span><span class="token operator">*</span><span class="token punctuation">.</span>xml
</code></pre>
<p>添加实体类</p>
<pre class=" language-java"><code class="language-java"><span class="token annotation punctuation">@Data</span>
<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">Bigman</span> <span class="token keyword">implements</span> <span class="token class-name">Serializable</span> <span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>
    <span class="token keyword">private</span> String name<span class="token punctuation">;</span>

    <span class="token keyword">private</span> String phone<span class="token punctuation">;</span>

    <span class="token keyword">private</span> String firm<span class="token punctuation">;</span>

    <span class="token keyword">private</span> String forword<span class="token punctuation">;</span>

    <span class="token keyword">private</span> String image<span class="token punctuation">;</span>

    <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">final</span> <span class="token keyword">long</span> serialVersionUID <span class="token operator">=</span> 1L<span class="token punctuation">;</span>
<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span>

</code></pre>
<p>添加dao层</p>
<pre class=" language-java"><code class="language-java"><span class="token annotation punctuation">@Component</span>
<span class="token annotation punctuation">@Mapper</span>
<span class="token keyword">public</span> <span class="token keyword">interface</span> <span class="token class-name">BigmanDao</span> <span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>
    <span class="token keyword">int</span> <span class="token function">insert</span><span class="token punctuation">(</span>Bigman record<span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token keyword">int</span> <span class="token function">insertSelective</span><span class="token punctuation">(</span>Bigman record<span class="token punctuation">)</span><span class="token punctuation">;</span>

    ArrayList<span class="token operator">&lt;</span>Bigman<span class="token operator">></span> <span class="token function">select</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span>
</code></pre>
<p>添加xml</p>
<pre class=" language-java"><code class="language-java"><span class="token operator">&lt;</span><span class="token operator">?</span>xml version<span class="token operator">=</span><span class="token string">"1.0"</span> encoding<span class="token operator">=</span><span class="token string">"UTF-8"</span><span class="token operator">?</span><span class="token operator">></span>
<span class="token operator">&lt;</span><span class="token operator">!</span>DOCTYPE mapper PUBLIC <span class="token string">"-//mybatis.org//DTD Mapper 3.0//EN"</span> <span class="token string">"http://mybatis.org/dtd/mybatis-3-mapper.dtd"</span><span class="token operator">></span>
<span class="token operator">&lt;</span>mapper namespace<span class="token operator">=</span><span class="token string">"com.example.demo.dao.BigmanDao"</span><span class="token operator">></span>
  <span class="token operator">&lt;</span>resultMap id<span class="token operator">=</span><span class="token string">"BaseResultMap"</span> type<span class="token operator">=</span><span class="token string">"com.example.demo.pojo.Bigman"</span><span class="token operator">></span>
    <span class="token operator">&lt;</span>result column<span class="token operator">=</span><span class="token string">"name"</span> jdbcType<span class="token operator">=</span><span class="token string">"VARCHAR"</span> property<span class="token operator">=</span><span class="token string">"name"</span> <span class="token operator">/</span><span class="token operator">></span>
    <span class="token operator">&lt;</span>result column<span class="token operator">=</span><span class="token string">"phone"</span> jdbcType<span class="token operator">=</span><span class="token string">"VARCHAR"</span> property<span class="token operator">=</span><span class="token string">"phone"</span> <span class="token operator">/</span><span class="token operator">></span>
    <span class="token operator">&lt;</span>result column<span class="token operator">=</span><span class="token string">"firm"</span> jdbcType<span class="token operator">=</span><span class="token string">"VARCHAR"</span> property<span class="token operator">=</span><span class="token string">"firm"</span> <span class="token operator">/</span><span class="token operator">></span>
    <span class="token operator">&lt;</span>result column<span class="token operator">=</span><span class="token string">"forWord"</span> jdbcType<span class="token operator">=</span><span class="token string">"VARCHAR"</span> property<span class="token operator">=</span><span class="token string">"forword"</span> <span class="token operator">/</span><span class="token operator">></span>
  <span class="token operator">&lt;</span><span class="token operator">/</span>resultMap<span class="token operator">></span>
  <span class="token operator">&lt;</span>insert id<span class="token operator">=</span><span class="token string">"insert"</span> parameterType<span class="token operator">=</span><span class="token string">"com.example.demo.pojo.Bigman"</span><span class="token operator">></span>
    insert into <span class="token function">bigman</span> <span class="token punctuation">(</span>`name`<span class="token punctuation">,</span> phone<span class="token punctuation">,</span> firm<span class="token punctuation">,</span> 
      forWord<span class="token punctuation">)</span>
    <span class="token function">values</span> <span class="token punctuation">(</span>#<span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>name<span class="token punctuation">,</span>jdbcType<span class="token operator">=</span>VARCHAR<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span><span class="token punctuation">,</span> #<span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>phone<span class="token punctuation">,</span>jdbcType<span class="token operator">=</span>VARCHAR<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span><span class="token punctuation">,</span> #<span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>firm<span class="token punctuation">,</span>jdbcType<span class="token operator">=</span>VARCHAR<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span><span class="token punctuation">,</span> 
      #<span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>forword<span class="token punctuation">,</span>jdbcType<span class="token operator">=</span>VARCHAR<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span><span class="token punctuation">)</span>
  <span class="token operator">&lt;</span><span class="token operator">/</span>insert<span class="token operator">></span>
  <span class="token operator">&lt;</span>insert id<span class="token operator">=</span><span class="token string">"insertSelective"</span> parameterType<span class="token operator">=</span><span class="token string">"com.example.demo.pojo.Bigman"</span><span class="token operator">></span>
    insert into bigman
    <span class="token operator">&lt;</span>trim prefix<span class="token operator">=</span><span class="token string">"("</span> suffix<span class="token operator">=</span><span class="token string">")"</span> suffixOverrides<span class="token operator">=</span><span class="token string">","</span><span class="token operator">></span>
      <span class="token operator">&lt;</span><span class="token keyword">if</span> test<span class="token operator">=</span><span class="token string">"name != null"</span><span class="token operator">></span>
        `name`<span class="token punctuation">,</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span><span class="token keyword">if</span><span class="token operator">></span>
      <span class="token operator">&lt;</span><span class="token keyword">if</span> test<span class="token operator">=</span><span class="token string">"phone != null"</span><span class="token operator">></span>
        phone<span class="token punctuation">,</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span><span class="token keyword">if</span><span class="token operator">></span>
      <span class="token operator">&lt;</span><span class="token keyword">if</span> test<span class="token operator">=</span><span class="token string">"firm != null"</span><span class="token operator">></span>
        firm<span class="token punctuation">,</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span><span class="token keyword">if</span><span class="token operator">></span>
      <span class="token operator">&lt;</span><span class="token keyword">if</span> test<span class="token operator">=</span><span class="token string">"forword != null"</span><span class="token operator">></span>
        forWord<span class="token punctuation">,</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span><span class="token keyword">if</span><span class="token operator">></span>
    <span class="token operator">&lt;</span><span class="token operator">/</span>trim<span class="token operator">></span>
    <span class="token operator">&lt;</span>trim prefix<span class="token operator">=</span><span class="token string">"values ("</span> suffix<span class="token operator">=</span><span class="token string">")"</span> suffixOverrides<span class="token operator">=</span><span class="token string">","</span><span class="token operator">></span>
      <span class="token operator">&lt;</span><span class="token keyword">if</span> test<span class="token operator">=</span><span class="token string">"name != null"</span><span class="token operator">></span>
        #<span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>name<span class="token punctuation">,</span>jdbcType<span class="token operator">=</span>VARCHAR<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span><span class="token punctuation">,</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span><span class="token keyword">if</span><span class="token operator">></span>
      <span class="token operator">&lt;</span><span class="token keyword">if</span> test<span class="token operator">=</span><span class="token string">"phone != null"</span><span class="token operator">></span>
        #<span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>phone<span class="token punctuation">,</span>jdbcType<span class="token operator">=</span>VARCHAR<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span><span class="token punctuation">,</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span><span class="token keyword">if</span><span class="token operator">></span>
      <span class="token operator">&lt;</span><span class="token keyword">if</span> test<span class="token operator">=</span><span class="token string">"firm != null"</span><span class="token operator">></span>
        #<span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>firm<span class="token punctuation">,</span>jdbcType<span class="token operator">=</span>VARCHAR<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span><span class="token punctuation">,</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span><span class="token keyword">if</span><span class="token operator">></span>
      <span class="token operator">&lt;</span><span class="token keyword">if</span> test<span class="token operator">=</span><span class="token string">"forword != null"</span><span class="token operator">></span>
        #<span class="token operator">&amp;</span>#<span class="token number">123</span><span class="token punctuation">;</span>forword<span class="token punctuation">,</span>jdbcType<span class="token operator">=</span>VARCHAR<span class="token operator">&amp;</span>#<span class="token number">125</span><span class="token punctuation">;</span><span class="token punctuation">,</span>
      <span class="token operator">&lt;</span><span class="token operator">/</span><span class="token keyword">if</span><span class="token operator">></span>
    <span class="token operator">&lt;</span><span class="token operator">/</span>trim<span class="token operator">></span>
  <span class="token operator">&lt;</span><span class="token operator">/</span>insert<span class="token operator">></span>
  <span class="token operator">&lt;</span>select id<span class="token operator">=</span><span class="token string">"select"</span> resultMap<span class="token operator">=</span><span class="token string">"BaseResultMap"</span><span class="token operator">></span>
    select <span class="token operator">*</span>from bigman
  <span class="token operator">&lt;</span><span class="token operator">/</span>select<span class="token operator">></span>
<span class="token operator">&lt;</span><span class="token operator">/</span>mapper<span class="token operator">></span>
</code></pre>
<p>在controller层自动装配后使用即可</p>

                
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